2.6 sec in total
237 ms
2.1 sec
205 ms
Click here to check amazing EFG London Jazz Festival content for United Kingdom. Otherwise, check out these important facts you probably never knew about efglondonjazzfestival.org.uk
The EFG London Jazz Festival is the city’s biggest music festival, each November in venues such as the Barbican, the Royal Festival Hall, Ronnie Scott's and Vortex
Visit efglondonjazzfestival.org.ukWe analyzed Efglondonjazzfestival.org.uk page load time and found that the first response time was 237 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
efglondonjazzfestival.org.uk performance score
name
value
score
weighting
Value2.9 s
55/100
10%
Value14.6 s
0/100
25%
Value4.2 s
77/100
10%
Value1,340 ms
17/100
30%
Value0.278
44/100
15%
Value12.7 s
13/100
10%
237 ms
671 ms
299 ms
228 ms
322 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 68% of them (27 requests) were addressed to the original Efglondonjazzfestival.org.uk, 8% (3 requests) were made to Google-analytics.com and 8% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (877 ms) belongs to the original domain Efglondonjazzfestival.org.uk.
Page size can be reduced by 453.2 kB (49%)
932.6 kB
479.4 kB
In fact, the total size of Efglondonjazzfestival.org.uk main page is 932.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Javascripts take 362.8 kB which makes up the majority of the site volume.
Potential reduce by 16.9 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 2.4 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 16.9 kB or 77% of the original size.
Potential reduce by 0 B
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. EFG London Jazz Festival images are well optimized though.
Potential reduce by 233.5 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 233.5 kB or 64% of the original size.
Potential reduce by 202.8 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Efglondonjazzfestival.org.uk needs all CSS files to be minified and compressed as it can save up to 202.8 kB or 83% of the original size.
Number of requests can be reduced by 19 (53%)
36
17
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EFG London Jazz Festival. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
efglondonjazzfestival.org.uk
237 ms
www.efglondonjazzfestival.org.uk
671 ms
styles.min.css
299 ms
modernizr.custom.min.js
228 ms
picturefill.js
322 ms
jquery.fancybox.css
169 ms
owl.carousel.css
164 ms
owl.theme.css
186 ms
jquery.min.js
33 ms
global.min.js
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jquery.fancybox.pack.js
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jquery.fancybox-media.js
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jquery.fancybox.css
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classic.css
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classic.date.css
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classic.time.css
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analytics.js
10 ms
iEnEEQZA8Sw
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header-bg.png
877 ms
logo-efgljf.svg
226 ms
london-jazz-festival-dates.svg
100 ms
icon-facebook--circle.svg
97 ms
icon-twitter--circle.svg
105 ms
icon-flickr--circle.svg
228 ms
icon-youtube--circle.svg
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icon-instagram--circle.svg
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logo-prs.svg
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logo-jazzwise.svg
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logo-ace.svg
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icon-up.svg
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linkid.js
6 ms
collect
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www-embed-player-vfl-z2BtK.css
29 ms
www-embed-player.js
45 ms
base.js
65 ms
iEnEEQZA8Sw
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Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
8 ms
ad_status.js
9 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
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RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
29 ms
efglondonjazzfestival.org.uk accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
efglondonjazzfestival.org.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
efglondonjazzfestival.org.uk SEO score
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Efglondonjazzfestival.org.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Efglondonjazzfestival.org.uk main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
efglondonjazzfestival.org.uk
Open Graph description is not detected on the main page of EFG London Jazz Festival. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: